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GSA & Geodynamics Division 2018 Annual Report

Requests For GSA Council Ratification: (Changes/additions in Bylaws, Awards, Travel Grants, etc. for GSA Council final approval): The Council approved the name change of the Geophysics Division to the Geophysics and Geodynamics Division.

Division Mission: Bring together scientists interested in geophysics and geodynamics to facilitate the presentation and discussion of their problems and ideas, to stimulate communication among geophysicists, geodynamicists, and other scientists, to promote research and the publication of results on geophysical and geodynamical studies, and to advise and assist the officers and committees of the Society in matters pertaining to geophysics and geodyamics.

Officers: Chair: Carol Stein ([email protected]) Vice-Chair: Diane Doser ([email protected]) Secretary-Treasurer: Benjamin Drenth ([email protected]) Past Chair: Nicholas Schmerr ([email protected]) Student Member: Paepin Goff ([email protected])

Management Board:

Committees: JTPC Representative: Diane Doser, Benjamin Drenth Councilor: Nathan Niemi ([email protected]) Previous Councilor during this year: Anke Friedrich ([email protected]) Student Advisory Council Representative: Paepin Goff ([email protected])

Membership Information: 2014: 724 members 2015: 713 members 2016: 689 members 2017: 642 members 2018: 628 members

Senior Members 155 General Members 137 Honorary Fellow 1 Early Career Professionals 52 Student 276 K-12 Teacher 3 Affiliate 4 2016 Total 628

Newsletter and Publications: Coming soon http://gsoa.informz.net/GSOA/data/images/Newsletter_2018.pdf

Website: https://www.geosociety.org/gsa/division/geophysics/home.aspx

Fundraising and Awareness: The Geophysics Division annual membership dues are $5 for students and $10 for professional members.

Elections of new board members took place during 2017 [Carol Stein, Chair; Diane Doser, Vice Chair; Benjamin Drenth, Secretary-Treasurer]

The division logo was changed during summer 2018 to reflect the new name.

Financial Summary: As of June 30, 2018: Assets = $2578.23.

Awards and Travel Grants: George P. Woollard Award (2018 – Greg Hirth, 2017 – Susan Beck, 2016 – William Hinze, 2015 - David Evans, 2014 - Joe Kirschvink, 2013 - Peter Bird, 2012 - Robert Smith, 2011 - Leigh Royden, 2010 - Tim Dixon, 2009 - Seth Stein) Allan V. Cox Student Research Award (2018 – Amanda Ketting-Oliver, 2017 – Zongbo Xu, 2016 – Rebekah Lee, 2015 - Henok Kiflu, 2014 - Justin Cox, 2013 - Christopher Myers, 2012 - David A. Grunat, 2011 -Drew Thomas, 2010 - Sarah Friedman, 2009 - Brent Barker) GSA Geophysics Division Student Research Award (2018 – Audrey Dunham, 2017 – Zheng Gong, 2016 – Samuel Johnson, 2015 - Abigail Maxwell and Bradley Sparks, 2014 - Ross Anderson, 2013 - Christopher Harper, 2012 - Daniel A. Minguez, 2011 - James Wilson, 2010 - Leah Bose, 2009 - Leah Courtland)

Associated Societies and Partnerships:

GSA Annual Meeting Activities:

New for GSA 2018: Woollard Lecture and Geophysics & Geodynamics Business meeting will have a lunch-time slot. Attendance was low for 2017. We will offer some free box lunches to improve attendance.

Sessions for this year’s meeting and the previous three annual meetings:

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2018 sponsored sessions: Session Session Title Presentation Session Description Style We encourage papers especially from early career scientists and in exploring longstanding but unresolved questions about Eastern North America and Other continental intraplate earthquakes, both induced and naturally T63 Continental Interiors: What We Oral & Poster occurring—why, where, and when they happen and the Know, What We Don’t, What We resulting hazards. Think, and Which Is Which?

The EarthScope program "to understand the growth and Beyond EarthScope in the Eastern modification of North America" is ending. We encourage T64 U.S.—What We've Learned and Oral papers that assess what EarthScope has learned about eastern What Needs Doing Next North America, and what major new scientific questions and research directions should be addressed next. We encourage novel studies that use near-surface geophysics Recent Advances in Using Near- (electrical, electromagnetic, seismic, gravity, magnetics) to T65 Surface Geophysics to Solve Oral and Poster investigate a variety of geological problems including Geological Problems groundwater, karst, , archaeology, urban , .

2018 co-sponsored sessions Session Session Title Presentation Session Description Style Abstracts should be focused on hazards monitoring approaches found in karst landscapes. Topics include Karst Hazards and Monitoring technical applications (e.g., LiDAR, 3D T1 Oral scanning, geodatabase development) and management implications (resource management, education, policy and regulation in karst areas). This session calls for abstracts themed around the fundamental aspects of fluid-rock interactions within karst Karst and landscapes, including geologic, hydrogeologic, and T3 Oral and Poster hydrologic investigations. Topics include dye tracing,

aquifer processes, surface-subsurface hydrology, and quantitative modeling. Communicating Geologic This session focuses on communication of geologic hazards Hazard and Risk: Sharing and risk, evacuation, dissemination of technical information, T12 Oral and Poster Successes, Failures, and and other topics—sharing successes, failures, and lessons Lessons Learned learned. Geology and Hydrology of Your Public Lands: This is an interdisciplinary forum for earth scientists, land Understanding and Managing managers, and educators to present their work and describe T21 America’s Geologic Heritage, Oral and Poster its relevance to the public and land managers, particularly as Active Processes, Geohazards, it relates to decision making. Energy Development, and Mineral Resources Interdisciplinary Investigations Understanding how the and crust evolve and interact of Mantle-Crustal Mass is important for the modeling of Earth's past. We encourage T38 Oral and Poster Transfer papers on the processes leading to mass transfer between the two chemically and rheologically distinct layers.

3 This session encourages contributions demonstrating Machine-Learning and application of learning-based algorithms or artificial- Artificial-Intelligence intelligence technologies to geoscience problems. Projects T40 Applications in the Poster demonstrating multi-disciplinary contributions or multiple Geosciences techniques within a single application are of particular

interest. Cascading Geohazards: We seek contributions from a broad spectrum of studies T49 Frequency, Impacts, and Poster focused on understanding the frequency of cascading Topographic Signatures hazards and the signature they leave in the landscape. This oral session provides a venue for undergraduate Undergraduate Research Talks: students and recent graduates to present talks on completed T57 The Next Step in Student Oral research projects. Students may submit abstracts for Research Projects research in any sub-discipline of geology, , or environmental science. Unmanned aerial vehicles (UAVs) are revolutionizing Revolutions in Remote and field mapping. Geoscientists can quickly Sensing: Applications of UAVs and inexpensively acquire aerial photos, orthoimages, high- T60 Oral & Poster to Field Mapping and Surface resolution DEMs, and other data sets. We encourage Analytics submissions that demonstrate innovative methodologies, applications, and analyses of UAV-acquired data. Understanding hydrology and geology at varying scales Satellite Remote Sensing depends upon consistent spatial observations. We seek Applications in Hydrology and T98 Oral & Poster presentations on applications integrating remote sensing Geology observations from UAV- to satellite-scale with traditional

methods in hydrology and geology. Assemble! Petrologic, This session focuses on new and innovative research aimed Geochemical, Chronologic, and at understanding the evolution and assembly of magmatic T138 Geophysical Insights into the Oral & Poster systems. We encourage contributions that address all Architecture and Timescales of aspects of these systems, including , , Magmatic Systems chronology, and geophysical perspectives. The Age of Small World Understanding “small worlds” like asteroids, comets, and Exploration: Major Results the comparatively large dwarf planets is key to T143 from Minor Planets and Other Oral understanding the nature of our solar system. We welcome Small Solar System Bodies abstracts related to geologic, geophysical, and compositional analyses of “small worlds.” Apollo 17 Forty-Five Years on: Reanalysis of the Forty-five years since the Apollo 17 mission to the Taurus- Geochemistry, Geophysics, and Littrow Valley, the analysis of the samples, interpretation of T145 Field Geology in Light of Data Oral surface measurements, and field observations are being from the Lunar Reconnaissance revisited in the context of newly acquired remote sensing Orbiter and Other Recent data. Missions Planetary Mantles—Using Samples to Explore Earth, the Comparative planetology through the study of terrestrial, T147 , and Mars: Memorial Oral & Poster lunar, and martian mantles. Session in Memory of Lawrence A. Taylor This session solicits abstracts on volcanic and tectonic landforms and processes on solar system bodies and Volcanism and Tectonism on T149 Oral extrasolar worlds, encompassing surface geology, interior Planetary Bodies and thermal evolution, and comparative planetary studies with observational, experimental, or theoretical approaches. Impact cratering is a dominant process across the solar Impact Cratering: Geologic, system influencing a planet's geology and evolution. The Geochemical, and Geophysical T150 Oral & Poster session focuses on impact flux, geologic and geophysical Signatures on the Terrestrial implications of impacts, and geochemistry recorded in Planets ejecta and insight provided for the bolide.

4 T158. Evolution of the The Midcontinent Rift hosts a remarkable record of tectonic, Midcontinent Rift: A Window magmatic, and sedimentary processes. Geological, T158 into Proterozoic Environments, Oral & Poster geochemical, geophysical, and geobiological research into a Repository of Minerals, and a the rift is expanding understanding of rift formation, Lesson in Rifting Proterozoic earth history, and its economic deposits. Different Roads to : This session focuses on new interpretations of Precambrian Re-Analysis of the geology and tectonic events in southeastern Laurentia, and Tectonic including Grenville and Granite-Rhyolite terranes, T159 Evolution of Precambrian Oral Midcontinent Rift System, Middle Run and Jacobsville Sedimentary and Crystalline sandstones, and the Illinois Basin "pre-Mt. Simon" units. Basement Terranes in

Southeastern Laurentia This session seeks contributions addressing the late Late Paleozoic Tectonics and Paleozoic suturing between Gondwana and Laurentia, and Sedimentation along the associated changes in sedimentary processes along the T171 Oral & Poster Allegheny-Ouachita-Marathon Allegheny-Marathon-Ouachita orogenic belt in the eastern Orogenic Belt and southern United States. Perspectives from other are also welcome. This session seeks multidisciplinary studies addressing the Evolution of Rocky Mountain Paleozoic-Cenozoic evolution of Rocky Mountain basins Basins—Ancestral Rocky T176 Oral & Poster using the sedimentary record. We seek a range of outcrop Mountains through the and subsurface to modeling studies that focus on Laramide lithospheric to surface processes. Geologic Mapping in Geologic mapping is an integral part of earth science the Twenty-First Century: investigations. We seek contributions that integrate T178 Innovative Applications of Oral geophysics, remote sensing, geochemistry, geochronology, Technology and Strategies to , and other analytical techniques to aid geologic Aid Field-Based Studies mapping. Paradigm and This session is aimed at discussing the nature and Future Directions of significance of scientific developments in earth sciences T180 Oral Research—Discovery in Light within the framework of the plate tectonics paradigm since of Its 50-Year History 1968, and marks the 50th anniversary of its inception. This session welcomes diverse contributions from The Cenozoic Evolution of geodynamic and atmospheric numerical modeling, proxy- Tibet—How Do We Unify T182 Oral based observations of Earth surface conditions, Seemingly Contradictory thermochronology, and geomorphic evolution, all centered Evidence? on the Cenozoic evolution of Tibet. This session seeks contributions that connect surface, Geodynamic, Orogenic, and crustal, and mantle processes associated with flat-slab Surface Processes of Flat-Slab T184 Oral & Poster subduction, specifically addressing geodynamics, Subduction kinematics, magmatism, uplift, erosion, basin subsidence,

and sediment dispersal in ancient and modern systems. Features, Processes, and Emplacement of Melted Rock The emplacement of silicate melts can create a diverse set of on the Earth and Planets—A features, which provide insights into past eruption and T185 Session in Honor of Oral impact conditions as well as paleo-environments on the Christopher W. Hamilton, Earth and the planets. Recipient of the MGPV Early Career Award Kīlauea 2018: Geoscience and Oral Late Breaking Communication during a high profile natural event Plate tectonics paradigm 50 years after the seminal work of P3 Oral Morgan, McKenzie, and Le Pichon

2017 sponsored sessions:

5 Session Session Title Presentation Session Description Style Geophysics to Solve Geological All contributions from the geophysics/geodynamics D44 Problems and the Annual George Oral discipline are welcome. P. Woollard Award Presentation

Oral (D44) and All contributions from the geophysics/geodynamics D44-45 Geophysics/Geodynamics Poster (D45) discipline are welcome.

Uncertainty in available geological and geophysical data Characterizing Cascadia’s hampers forecasts of future Cascadia earthquakes. This Earthquakes—Reexamining Open session focuses on new approaches that harness T236 Oral and Poster Questions about Cascadia Seismic multidisciplinary datasets to address open questions about and Tsunami Hazards Cascadia parameters, recurrence, and related hazards. The goals of this session are the discussion and revision of the structure and geological-geodynamic evolution of the Structure and Evolution of the T240 Oral North Atlantic–Arctic realm. Contributions from all relevant North Atlantic–Arctic Realm disciplines are requested, especially reports of multidisciplinary approaches. We seek contributions on the lithospheric evolution of the -Tectonic Evolution of East African Rift system using geophysics, T241 Oral the East African Rift System , petrology, geodynamics, , and . Magnetic records have been valuable tools for reconstructing Contributions of Rock- and Paleo- the formation of mountain belts. We request contributions T257 magnetism to Understanding Oral that use , rock magnetism, and anisotropy to Orogenic Processes understand orogenic processes from a broad range of perspectives.

2017 co-sponsored sessions Session Session Title Presentation Session Description Style Recent innovations and sensors have broadened the capabilities of remote sensing, From UAV to satellite. A Remote Sensing Applications T18 Oral and Poster range of geologic, geomorphic, and hydrologic applications in Hydrology and Geology can be addressed. This session welcomes applications of the sensors to geologic questions. This session encompasses experimental investigations that Experimental Planetary focused on geologic processes and landforms. All types of Geology: Using Laboratory and experimental work across kinematic, temperature, , T202 Other Experiments to Advance Oral and Poster and chemical conditions are encouraged, especially Our Understanding of Geology investigations into unusual or poorly understood on Planetary Bodies phenomena. This session focuses on impact cratering processes and Impact Cratering: From Fire to effects across the solar system. We solicit contributions T205 Ice—Cratering across the Solar Oral and Poster regarding target effects, shock processes, geology, melt, System airbursts, and current cratering-rates. Comparisons among different size and composition bodies are encouraged. This session seeks contributions focused on understanding Integrated Approaches to major crustal boundaries within polyphase orogens and Deciphering Major Crustal T213 Oral and Poster deciphering tectonic events and processes that shaped them. Boundaries in Polyphase Contributions investigating ties between crustal structure Orogenic Settings and regional metallogeny are encouraged.

6 Circum-Arctic Structural We seek contributions from a broad spectrum of disciplines Events: Tectonic Evolution of to advance understanding of orogenic processes responsible T221 the Arctic Margins and Trans- for circum-Arctic tectonic events, structural-magmatic- Arctic Links with Adjacent stratigraphic-geophysical links with adjacent orogens and Orogens development of the Eurasian and Amerasian basins. Intraplate Earthquake Sources, This session presents insights into intraplate earthquake Processes, and Hazards in sources, processes, and hazards in central and eastern North T223 Central and Eastern North America from the deep to the earth’s surface. America We welcome contributions in all disciplines. This session examines the formation and termination of New Perspectives on Processes subduction zones, whether due to passage of a triple T226 of Subduction Initiation and junction, change in plate motion, or collision. Ancient and Termination modern records and modeling studies of these processes are welcome. Ophiolite and Ocean Plate Stratigraphy Records in We encourage original contributions on the origins and Modern and Ancient emplacement mechanisms of ophiolites and remnants of T227 Accretionary and Collisional ocean plate stratigraphy in the accretionary and collisional Orogenic Belts in the Circum orogenic belts in the Circum-Pacific region. Pacific Region We seek contributions on the lithospheric evolution of the Volcano-Tectonic Evolution of East African Rift system using geophysics, T241 the East African Rift System volcanology, petrology, geodynamics, sedimentology, and structural geology.

2016 sponsored sessions: Session Session Title Presentation Session Description Style This session encourages multidisciplinary studies ranging From Mantle to Landscape: from mantle to surface processes, from numerical modeling T63 Cenozoic Evolution of the Rocky Oral and Poster to data collection and analysis to understand the tectonic and Mountain landscape evolution of the Rocky Mountains. This session encourages studies of injection-induced Injection-Induced Earthquakes: earthquakes, including cases related to wastewater disposal, Geologic and Operational T64 Oral hydraulic fracturing, and CO2 sequestration. Of particular Constraints, Seismic Hazard, interest are case studies that relate geologic and operational Mitigation, and Societal Impact constraints to earthquake characteristics or hazard. Precambrian Evolution and Contributions are sought from broad-ranging Mineral Resources of the multidisciplinary studies at various scales that relate to the T65 Oral and Poster Midcontinent Rift Region: In development of the Midcontinent Rift, surrounding Honor of William J. Hinze Precambrian rocks, and mineral resources in the region. Structure and Tectonics of the We welcome contributions that shed light on, or formulate South-Central United States: important questions regarding, the structure and tectonics of T66 Craton to Gulf of Mexico and the Oral and Poster the south-central United States, including results from new Annual George P. Woollard data, syntheses of previous studies, and proposals for new Award Presentation studies and data acquisition. Geophysical Solutions to Geological Problems: Current All contributions from the geophysics/geodynamics - Oral and Poster Research Results discipline are welcome.

2016 co-sponsored sessions Session Session Title Presentation Session Description Style

7 This session focuses on the nature of impact craters and Impact Cratering on Earth and processes on Earth and other planets. We solicit T165 throughout the Solar System Oral and Poster contributions regarding shock processes, modeling, geology, and airbursts. Comparisons among different size and composition bodies are encouraged. This session highlights interactions among mechanical, Deconstructing Damage: thermal, and chemical processes as brittle zones grow Holistic Perspectives on the T208 Oral and Poster and mature. Contributions integrating field, analytical, Spatiotemporal Evolution of geophysical, numerical, and experimental studies providing Brittle Fault Zones holistic views of fault zones are encouraged. Earth History in the Broadest Honoring the distinguished career of Eldridge Moores, we Context—Ophiolites, Global encourage the international geoscience community to Tectonics, and Public T209 Oral and Poster contribute original overview and policy papers in global Awareness of Earth Science: tectonics, Earth history, science for society, public Celebrating the Contributions awareness, and geoscience education. of Eldridge Moores Evidence for Neotectonic This session presents evidence for intraplate neotectonic Earthquakes and Their Driving earthquakes in central and eastern North America and their T218 Mechanisms in the Intraplate Oral driving mechanisms in relation to lithospheric structure, and Region of Central and Eastern invites novel multidisciplinary field, laboratory, and North America modeling approaches.

2015 sponsored sessions: Session Session Title Presentation Session Description Style This session is to honor G.R. Keller, a leader in applying Advances in Crustal Geophysics geophysics to solve tectonic and geoinformatic problems. He T59 and Tectonics: In Honor of G.R. Oral has used seismic and potential field data to investigate Keller numerous tectonic environments (e.g., continental rifts, orogenic belts, and plateau uplifts) worldwide. This session integrates geologic and geophysical observations to provide an updated tectonic configuration of the Caribbean An Updated View on Caribbean T60 Oral and examine processes from mantle flow to tectonic and Tectonics earthquake cycle behavior to the closure of the Panama isthmus. Geophysical Solutions to Contributions that employee geophysics to solve geologic Geological Problems: Current problems are emphasized. This session also honors the T61 Research Results and the Annual Oral and Poster recipient of the George P. Woollard Award for his or her George P. Woollard Award outstanding geophysics contributions that advance our Presentation understanding of geology.

All contributions from the geophysics/geodynamics - Geophysics/Geodynamics Oral discipline are welcome.

2015 co-sponsored sessions Session Session Title Presentation Session Description Style Bridging Two Continents: Contributions on the processes of element fluxing, crust- Diamonds, Zircons, and Native mantle recycling, and petrogenetic evolution of the mantle, Elements in the Mantle: New T4 Oral and Poster based on studies of ophiolites and oceanic lithosphere and Discoveries and Models on the using mineralogical, geochemical, and geodynamic data for Properties and Petrogenesis of modeling at nano, micro, and global scales are welcome. Oceanic Mantle Lithosphere Intraplate Earthquakes, Intraplate earthquakes and seismic zones in eastern and Seismotectonis, and central North America are poorly understood. The 2011 T63 Oral and Poster Geodynamics in Eastern and Virginia earthquake, technological advancements, Central North America EarthScope, and GeoPRISMS offer exciting research

8 opportunities. We welcome contributions in any geoscience or engineering discipline.

Rotations, Oroclinal Bending; Variscan-Alleghenian Our session honors the numerous contributions to the Nondipoles; Diagenetic geosciences, involving a wide spectrum of scales and T64 Enigmatic Remagnetizations; Oral processes, by Professor Rob Van der Voo over his 45-year Vignettes of Orogenies and career at the University of Michigan. Oceans: A Celebration of Rob Van der Voo’s Career Geologic maps remain a critical tool for problems in the Utilizing 2-D and 3-D Near- “near surface” (upper ~200m), whether structural, Surface Geophysics to environmental, glaciological, hazards, groundwater, or T65 Oral Generate Improved Surface and infrastructure related. Near- surface geophysical techniques Subsurface Geologic Maps enhance the quality and confidence of geology maps, and recent examples will be presented. Digital technology is transforming geoscience practices. We Digital Technology in Real and seek presentations addressing applications of digital T70 Virtual Geoscience Oral and Poster technology to all aspects of geoscience teaching, research, Experiences and outreach, with an emphasis on the importance and usefulness of innovations. Data from terrestrial fieldwork, advances in modeling and experimentation, and spacecraft data have provided Impact Cratering on Earth and T173 Oral and Poster significant new insight into the characteristics of the impact in the Solar System cratering processes. This session will provide an opportunity to share information and insight. We encourage abstracts relating to surface, structural, and tectonic processes; interior, and thermal evolution of solid Oceans, Fire, and Ice of the T175 Oral bodies of the outer solar system; and planetary analogs. This Outer Solar System includes experimental, observational, and theoretical approaches. This session aims to bring together scientists with broad Deconstructing Rodinia: interests and ideas regarding the breakup of Rodinia and its Neoproterozoic-Cambrian T212 Oral impact on the geosphere and biosphere, especially in regard Geologic Evolution of to the Neoproterozoic-Cambrian geologic evolution of Laurentia’s Margins Laurentia’s margins. Constraining the extent to which the geochemical, Integrating Perspectives on the geophysical, and tectonic characteristics of modern arc Formation, Evolution, and T213 Oral systems (oceanic and continental) and LIPS (large igneous Destruction of Continental provinces) can be applied to the Precambrian record Crust: From 0 to 4600 Ma (Archean and Proterozoic) of crustal evolution. Rift-Drift, , Contributions presenting new geological, geochemical, and Subduction Zone Tectonics geochronological, and geophysical data and tectonic models of Collisional Orogens: from the Circum-Mediterranean and Appalachian- T217 Comparative Analysis of the Oral Caledenonian orogenic belts are welcome in order to discuss Circum-Mediterranean and processes involved in different stages of their collision- Appalachian-Caledonian driven geodynamic evolution. Orogenic Belts In response to the devastation caused by the earthquake that occurred on April 25, 2015 in the Nepal Himalayas, and subsequent catastrophic mass movements and aftershocks, The Geological Society of America will offer a special session in response to this historic event at the 2015 Special Baltimore Annual Meeting to bring it to the full attention of Nepal (Gorka) Earthquake Oral and Poster Session GSA membership.

The goals of this session are to provide a forum for those studying the earthquake to disseminate and gain information from diverse fields and to develop realistic and meaningful paths forward in terms of earthquake forecasting in the

9 Himalayan region to minimize future impacts of large-scale earthquakes on society. The Himalayas has global importance due to its role as the largest zone of active continental plate collision. In this, the region attracts attention from a number of sub-disciplines in geology, including structural geology and tectonics, geophysics, atmospheric and climate dynamics, geomorphology, , and hydrology. The earthquake that is the focus of this session has the potential to affect the most fundamental research in all of these disciplines, and we welcome diverse contributions from those working in the Nepal, India, Bhutan, and Pakistan Himalayas, Tibet and northern China.

Business Meeting Summary: Business meetings held in conjunction with GSA Annual meeting. Last meeting held Fall 2017 in Seattle, WA, at the end of the Woollard lecture by Dr. Susan Beck. Meeting was attended by ~10 members of the Division. Included:  Presentation of student awards  Discussion of GSA deadlines for Fall 2018 meeting (Indianapolis, IN)  Discussion of possible new initiatives  Discussion of name change to “Geophysics and Geodynamics Division”

GSA Section Meeting Activities: Geophysical-themed sessions were important parts of all the section meetings this past year.

Other Meetings: Recent Penrose conferences with geophysical components/themes include:

1. Layered Mafic Intrusions and Associated Economic Deposits 12 August 2016, Red Lodge, Montana, USA Conveners: Alan E. Boudreau, Eric C. Ferré, Brian O’Driscoll, Edward M. Ripley 2. Linkages and Feedbacks in Orogenic Processes — A Conference Honoring the Career of Robert D. Hatcher Jr. 30 March–4 April 2014, Asheville, North Carolina, USA Conveners: Ryan Thigpen, Christopher Bailey, Harold Stowell, Richard Law 3. Predicting and Detecting Natural and Induced Flow Paths for Geothermal Fluids in Deep Sedimentary Basins 19–23 October 2013, Park City, Utah, USA Conveners: John Holbrook, Rick Allis, Derek Elsworth, Sidney Green, Joseph N. Moore 4. Coastal Processes and Environments Under Sea-Level Rise and Changing Climate: Science to Inform Management Joint Penrose / Chapman Conference 14–19 April 2013, Galveston, Texas, USA Conveners: John B. Anderson, Margaret Davidson, John W. Geissman, Gary J. Hampson, Denise J. Reed, Torbjörn E. Törnqvist

Future Activities / Action Items: Membership fees will continue to be used to help support student award recipients travel to the annual GSA meeting.

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Emerging Needs: Geophysics & Geodynamics is an increasingly utilized component in integrated Earth Science studies of societally relevant problems. Geophysics & Geodynamics intersects all themes and components of the Earth Sciences.

Annual Report Submitted by: Carol Stein (Chair) Reporting Period: Fall 2017 to Fall 2018 Date Report Submitted: October 3, 2018

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